	%\tracingmacros=2 \tracingcommands=2

	\pgfplotsset{
		nodes near coords={(\coordindex)},
		point meta=\coordindex,
	}
	\begin{tikzpicture}
	\begin{axis}[title=Rectangle from patch input]
	\addplot3[patch,,patch
	type=rectangle] coordinates {
		(0,0,1) 
		(1,0,0) 
		(1,1,0) 
		(0,1,0) 
	};
	\end{axis}
	\end{tikzpicture}
	%
	\begin{tikzpicture}
	\begin{axis}[
		title=Bilinear from $4$--point patch input]
	\addplot3[patch,,patch type=bilinear]
	coordinates {
		(0,0,1) 
		(1,0,0) 
		(1,1,0) 
		(0,1,0) 
	};
	\end{axis}
	\end{tikzpicture}

	\begin{tikzpicture}
	\begin{axis}[enlargelimits,
		title=Single Triangle patch]
	\addplot3[patch,] coordinates {
		(0,0,1) 
		(1,0,0) 
		(1,1,0) 
	};
	\end{axis}
	\end{tikzpicture}
	%
	\begin{tikzpicture}
	\begin{axis}[
		title=Quadratic Triangle]
	\addplot[patch,patch type=triangle quadr,
		]
	coordinates {
		(0,0)  (5,4)  (0,7) 
		(2,3)  (3,6)  (-1,4) 
	};
	\end{axis}
	\end{tikzpicture}

	\begin{tikzpicture}
	\begin{axis}[
		title=Single Biquadratic Quadrilateral]
	\addplot[patch,patch type=biquadratic,
		]
	coordinates {
		(0,0)  (6,1)  (5,5)  (-1,5) 
		(3,1)  (6,3)  (2,6)  (0,3) 
		(3,3.75) 
	};
	\end{axis}
	\end{tikzpicture}
	%
	%
	\begin{tikzpicture}
	\begin{axis}[
	patch refines=0, % NOT IMPLEMENTED
		title=Single Bicubic Quadrilateral]
	\addplot3[patch,patch type=bicubic,]
	coordinates {
		(0,0,1)  (1,0,0)  (2,0,0)  (3,0,0) 
		(0,1,0)  (1,1,0)  (2,1,0)  (3,1,0)
		(0,2,0)  (1,2,0)  (2,2,0)  (3,2,0)
		(0,3,0)  (1,3,0)  (2,3,0)  (3,3,0) 
	};
	\end{axis}
	\end{tikzpicture}
%
